More abilities

PkmnLib.Dynamic/Events/DisplaySpeciesChangeEvent.cs

@@ -0,0 +1,21 @@
+using PkmnLib.Dynamic.Events;
+using PkmnLib.Static.Species;
+
+namespace PkmnLib.Dynamic.Models;
+
+public class DisplaySpeciesChangeEvent : IEventData
+{
+    public IPokemon Pokemon { get; }
+    public ISpecies? Species { get; }
+    public IForm? Form { get; }
+
+    public DisplaySpeciesChangeEvent(IPokemon pokemon, ISpecies? species, IForm? form)
+    {
+        Pokemon = pokemon;
+        Species = species;
+        Form = form;
+    }
+
+    /// <inheritdoc />
+    public EventBatchId BatchId { get; init; }
+}

PkmnLib.Dynamic/Models/Pokemon.cs

@@ -41,6 +41,11 @@ public interface IPokemon : IScriptSource, IDeepCloneable
     /// </summary>
     IForm? DisplayForm { get; }
 
+    /// <summary>
+    /// Sets the display species and form of the Pokemon. This is used for abilities like Illusion.
+    /// </summary>
+    void SetDisplaySpecies(ISpecies? species, IForm? form);
+
     /// <summary>
     /// The current level of the Pokemon.
     /// </summary>
@@ -90,14 +95,7 @@ public interface IPokemon : IScriptSource, IDeepCloneable
     /// <summary>
     /// The weight of the Pokemon in kilograms.
     /// </summary>
-    float WeightInKg { get; set; }
+    float WeightInKg { get; }
-
-    /// <summary>
-    /// Sets the weight of the Pokémon in kilograms. Returns whether the weight was changed.
-    /// </summary>
-    /// <param name="weightInKg">The new weight in kilograms</param>
-    /// <returns></returns>
-    public bool ChangeWeightInKgBy(float weightInKg);
 
     /// <summary>
     /// The height of the Pokémon in meters.
@@ -511,7 +509,6 @@ public class PokemonImpl : ScriptSource, IPokemon
         Types = form.Types.ToList();
 
         Experience = library.StaticLibrary.GrowthRates.CalculateExperience(species.GrowthRate, level);
-        WeightInKg = form.Weight;
         HeightInMeters = form.Height;
         Happiness = species.BaseHappiness;
         Volatile = new ScriptSet(this);
@@ -546,7 +543,6 @@ public class PokemonImpl : ScriptSource, IPokemon
         }
 
         CurrentHealth = serializedPokemon.CurrentHealth;
-        WeightInKg = form.Weight;
         HeightInMeters = form.Height;
         Happiness = serializedPokemon.Happiness;
         IndividualValues = serializedPokemon.IndividualValues.ToIndividualValueStatisticSet();
@@ -599,6 +595,18 @@ public class PokemonImpl : ScriptSource, IPokemon
     /// <inheritdoc />
     public IForm? DisplayForm { get; set; }
 
+    /// <inheritdoc />
+    public void SetDisplaySpecies(ISpecies? species, IForm? form)
+    {
+        DisplaySpecies = species;
+        DisplayForm = form;
+
+        BattleData?.Battle.EventHook.Invoke(new DisplaySpeciesChangeEvent(this, species, form)
+        {
+            BatchId = new EventBatchId(),
+        });
+    }
+
     /// <inheritdoc />
     public LevelInt Level { get; private set; }
 
@@ -660,18 +668,18 @@ public class PokemonImpl : ScriptSource, IPokemon
     public uint CurrentHealth { get; private set; }
 
     /// <inheritdoc />
-    public float WeightInKg { get; set; }
+    public float WeightInKg
-
-    /// <inheritdoc />
-    public bool ChangeWeightInKgBy(float weightInKg)
     {
-        if (WeightInKg <= 0.1f)
+        get
-            return false;
+        {
-        var newWeight = WeightInKg + weightInKg;
+            var weight = Form.Weight;
-        if (newWeight <= 0.1f)
+            if (BattleData is not null)
-            newWeight = 0.1f;
+                // ReSharper disable once AccessToModifiedClosure
-        WeightInKg = newWeight;
+                this.RunScriptHook(script => script.ModifyWeight(ref weight));
-        return true;
+            if (weight < 0.1f)
+                weight = 0.1f;
+            return weight;
+        }
     }
 
     /// <inheritdoc />
@@ -958,7 +966,6 @@ public class PokemonImpl : ScriptSource, IPokemon
 
         Form = form;
         Types = form.Types.ToList();
-        WeightInKg = form.Weight;
         HeightInMeters = form.Height;
         var newAbility = Form.GetAbility(AbilityIndex);
 
@@ -1216,7 +1223,6 @@ public class PokemonImpl : ScriptSource, IPokemon
             if (!onBattleField)
             {
                 Volatile.Clear();
-                WeightInKg = Form.Weight;
                 HeightInMeters = Form.Height;
                 Types = Form.Types;
                 OverrideAbility = null;
@@ -1241,7 +1247,6 @@ public class PokemonImpl : ScriptSource, IPokemon
         var battleData = BattleData;
         BattleData = null;
         Volatile.Clear();
-        WeightInKg = Form.Weight;
         HeightInMeters = Form.Height;
         Types = Form.Types;
         OverrideAbility = null;

PkmnLib.Dynamic/ScriptHandling/Script.cs

@@ -761,4 +761,12 @@ public abstract class Script : IDeepCloneable
     public virtual void OnWeatherChange(IBattle battle, StringKey? weatherName, StringKey? oldWeatherName)
     {
     }
+
+    /// <summary>
+    /// Modifies the weight of a Pokemon.
+    /// </summary>
+    /// <param name="weight">The weight in kilograms</param>
+    public virtual void ModifyWeight(ref float weight)
+    {
+    }
 }

Plugins/PkmnLib.Plugin.Gen7/Data/Abilities.jsonc

@@ -184,6 +184,9 @@
     "effect": "flash_fire"
   },
   "flower_gift": {
+    "flags": [
+      "cant_be_copied"
+    ],
     "effect": "flower_gift"
   },
   "flower_veil": {
@@ -193,6 +196,9 @@
     "effect": "fluffy"
   },
   "forecast": {
+    "flags": [
+      "cant_be_copied"
+    ],
     "effect": "forecast"
   },
   "forewarn": {
@@ -240,26 +246,48 @@
   "heatproof": {
     "effect": "heatproof"
   },
-  "heavy_metal": {},
+  "heavy_metal": {
-  "honey_gather": {},
+    "effect": "heavy_metal"
-  "huge_power": {},
+  },
-  "hustle": {},
+  "honey_gather": {
-  "hydration": {},
+    "effect": "honey_gather"
-  "hyper_cutter": {},
+  },
-  "ice_body": {},
+  "huge_power": {
-  "illuminate": {},
+    "effect": "huge_power"
+  },
+  "hustle": {
+    "effect": "hustle"
+  },
+  "hydration": {
+    "effect": "hydration"
+  },
+  "hyper_cutter": {
+    "effect": "hyper_cutter"
+  },
+  "ice_body": {
+    "effect": "ice_body"
+  },
+  "illuminate": {
+    "effect": "illuminate"
+  },
   "illusion": {
+    "effect": "illusion",
     "flags": [
       "cant_be_copied"
     ]
   },
-  "immunity": {},
+  "immunity": {
+    "effect": "immunity"
+  },
   "imposter": {
+    "effect": "imposter",
     "flags": [
       "cant_be_copied"
     ]
   },
-  "infiltrator": {},
+  "infiltrator": {
+    "effect": "infiltrator"
+  },
   "innards_out": {},
   "inner_focus": {},
   "insomnia": {},

Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/HeavyMetal.cs

@@ -0,0 +1,16 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Heavy Metal is an ability that doubles the Pokémon's weight.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Heavy_Metal_(Ability)">Bulbapedia - Heavy Metal</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "heavy_metal")]
+public class HeavyMetal : Script
+{
+    /// <inheritdoc />
+    public override void ModifyWeight(ref float weight)
+    {
+        weight *= 2f;
+    }
+}

Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/HoneyGather.cs

@@ -0,0 +1,12 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Honey Gather is an ability that may allow the Pokémon to collect Honey after battle.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Honey_Gather_(Ability)">Bulbapedia - Honey Gather</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "honey_gather")]
+public class HoneyGather : Script
+{
+    // No Effect in battle
+}

Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/HugePower.cs

@@ -0,0 +1,20 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Huge Power is an ability that doubles the Pokémon's Attack stat.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Huge_Power_(Ability)">Bulbapedia - Huge Power</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "huge_power")]
+public class HugePower : Script
+{
+    /// <inheritdoc />
+    public override void ChangeOffensiveStatValue(IExecutingMove move, IPokemon target, byte hit, uint defensiveStat,
+        ImmutableStatisticSet<uint> targetStats, Statistic stat, ref uint value)
+    {
+        if (stat == Statistic.Attack)
+        {
+            value = value.MultiplyOrMax(2);
+        }
+    }
+}

Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Hustle.cs

@@ -0,0 +1,31 @@
+using PkmnLib.Static.Moves;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Hustle is an ability that increases the Pokémon's Attack by 50% but lowers the accuracy of its physical moves.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Hustle_(Ability)">Bulbapedia - Hustle</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "hustle")]
+public class Hustle : Script
+{
+    /// <inheritdoc />
+    public override void ChangeOffensiveStatValue(IExecutingMove move, IPokemon target, byte hit, uint defensiveStat,
+        ImmutableStatisticSet<uint> targetStats, Statistic stat, ref uint value)
+    {
+        if (stat != Statistic.Attack)
+            return;
+        value = value.MultiplyOrMax(1.5f);
+    }
+
+    /// <inheritdoc />
+    public override void ChangeAccuracy(IExecutingMove executingMove, IPokemon target, byte hitIndex,
+        ref int modifiedAccuracy)
+    {
+        if (executingMove.UseMove.Category == MoveCategory.Physical)
+        {
+            modifiedAccuracy = (int)(modifiedAccuracy * 0.8f);
+        }
+    }
+}

Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Hydration.cs

@@ -0,0 +1,40 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Hydration is an ability that heals status conditions if it is raining at the end of the turn.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Hydration_(Ability)">Bulbapedia - Hydration</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "hydration")]
+public class Hydration : Script
+{
+    private IPokemon? _pokemon;
+
+    /// <inheritdoc />
+    public override void OnAddedToParent(IScriptSource source)
+    {
+        if (source is not IPokemon pokemon)
+            throw new InvalidOperationException("Hydration can only be added to a Pokemon script source.");
+        _pokemon = pokemon;
+    }
+
+    /// <inheritdoc />
+    public override void OnEndTurn(IBattle battle)
+    {
+        if (_pokemon is null)
+            return;
+
+        if (battle.WeatherName != ScriptUtils.ResolveName<Weather.Rain>())
+            return;
+        if (_pokemon.StatusScript.IsEmpty)
+            return;
+
+        EventBatchId batchId = new();
+
+        battle.EventHook.Invoke(new AbilityTriggerEvent(_pokemon)
+        {
+            BatchId = batchId,
+        });
+        _pokemon.ClearStatus(batchId);
+    }
+}

Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/HyperCutter.cs

@@ -0,0 +1,22 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Hyper Cutter is an ability that prevents the Pokémon's Attack stat from being lowered by other Pokémon.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Hyper_Cutter_(Ability)">Bulbapedia - Hyper Cutter</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "hyper_cutter")]
+public class HyperCutter : Script
+{
+    /// <inheritdoc />
+    public override void PreventStatBoostChange(IPokemon target, Statistic stat, sbyte amount, bool selfInflicted,
+        ref bool prevent)
+    {
+        if (stat != Statistic.Attack)
+            return;
+
+        // Prevent the Attack stat from being lowered by any means
+        if (amount < 0 && !selfInflicted)
+            prevent = true;
+    }
+}

Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/IceBody.cs

@@ -0,0 +1,51 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Ice Body is an ability that heals the Pokémon for 1/16 of its maximum HP each turn during hail.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Ice_Body_(Ability)">Bulbapedia - Ice Body</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "ice_body")]
+public class IceBody : Script
+{
+    private IPokemon? _pokemon;
+
+    /// <inheritdoc />
+    public override void OnAddedToParent(IScriptSource source)
+    {
+        if (source is not IPokemon pokemon)
+            throw new InvalidOperationException("Ice Body can only be added to a Pokemon script source.");
+        _pokemon = pokemon;
+    }
+
+    /// <inheritdoc />
+    public override void OnEndTurn(IBattle battle)
+    {
+        if (_pokemon is null)
+            return;
+
+        // Check if the weather is hail
+        if (battle.WeatherName != ScriptUtils.ResolveName<Weather.Hail>())
+            return;
+
+        // Heal the Pokémon for 1/16 of its maximum HP
+        EventBatchId batchId = new();
+        var healAmount = _pokemon.MaxHealth / 16;
+        _pokemon.Heal(healAmount, true, batchId);
+
+        // Trigger the ability event
+        battle.EventHook.Invoke(new AbilityTriggerEvent(_pokemon)
+        {
+            BatchId = batchId,
+        });
+    }
+
+    /// <inheritdoc />
+    public override void CustomTrigger(StringKey eventName, IDictionary<StringKey, object?>? parameters)
+    {
+        if (eventName != CustomTriggers.IgnoreHail || parameters is null)
+            return;
+
+        parameters["ignoresHail"] = true;
+    }
+}

Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Illuminate.cs

@@ -0,0 +1,12 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Illuminate is an ability that increases the wild encounter rate when the Pokémon is leading the party.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Illuminate_(Ability)">Bulbapedia - Illuminate</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "illuminate")]
+public class Illuminate : Script
+{
+    // No effect in battle.
+}

Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Illusion.cs

@@ -0,0 +1,55 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Illusion is an ability that disguises the Pokémon as the last non-fainted Pokémon in the party until it takes damage.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Illusion_(Ability)">Bulbapedia - Illusion</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "illusion")]
+public class Illusion : Script
+{
+    private IPokemon? _pokemon;
+
+    /// <inheritdoc />
+    public override void OnAddedToParent(IScriptSource source)
+    {
+        if (source is not IPokemon pokemon)
+            throw new InvalidOperationException("Illusion can only be added to a Pokemon script source.");
+        _pokemon = pokemon;
+    }
+
+    /// <inheritdoc />
+    public override void OnSwitchIn(IPokemon pokemon, byte position)
+    {
+        var battleData = pokemon.BattleData;
+        if (battleData is null)
+            return;
+        var lastNonFaintedPokemon = battleData.Battle.Parties.FirstOrDefault(p => p.Party.Any(pkmn => pkmn == pokemon))
+            ?.Party.WhereNotNull().FirstOrDefault(x => x.IsUsable);
+        if (lastNonFaintedPokemon is null || lastNonFaintedPokemon == pokemon)
+            return;
+
+        pokemon.SetDisplaySpecies(lastNonFaintedPokemon.Species, lastNonFaintedPokemon.Form);
+    }
+
+    /// <inheritdoc />
+    public override void OnRemove()
+    {
+        if (_pokemon is null)
+            return;
+
+        _pokemon.SetDisplaySpecies(null, null);
+        _pokemon.BattleData?.Battle.EventHook.Invoke(new AbilityTriggerEvent(_pokemon));
+    }
+
+    /// <inheritdoc />
+    public override void OnIncomingHit(IExecutingMove move, IPokemon target, byte hit)
+    {
+        if (_pokemon?.BattleData?.Battle is null)
+            return;
+
+        // Remove the illusion when the Pokémon takes damage
+        _pokemon.SetDisplaySpecies(null, null);
+        _pokemon.BattleData.Battle.EventHook.Invoke(new AbilityTriggerEvent(_pokemon));
+    }
+}

Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Immunity.cs

@@ -0,0 +1,21 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Immunity is an ability that prevents the Pokémon from being poisoned.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Immunity_(Ability)">Bulbapedia - Immunity</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "immunity")]
+public class Immunity : Script
+{
+    /// <inheritdoc />
+    public override void PreventStatusChange(IPokemon pokemon, StringKey status, bool selfInflicted,
+        ref bool preventStatus)
+    {
+        if (status == ScriptUtils.ResolveName<Status.Poisoned>() ||
+            status == ScriptUtils.ResolveName<Status.BadlyPoisoned>())
+        {
+            preventStatus = true;
+        }
+    }
+}

Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Imposter.cs

@@ -0,0 +1,12 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Imposter is an ability that transforms the Pokémon into its opponent upon entering battle.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Imposter_(Ability)">Bulbapedia - Imposter</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "imposter")]
+public class Imposter : Script
+{
+    // TODO: Implement Imposter effect.
+}

Plugins/PkmnLib.Plugin.Gen7/Scripts/Abilities/Infiltrator.cs

@@ -0,0 +1,20 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Abilities;
+
+/// <summary>
+/// Infiltrator is an ability that allows the Pokémon's moves to ignore the opposing side's barriers and substitutes.
+///
+/// <see href="https://bulbapedia.bulbagarden.net/wiki/Infiltrator_(Ability)">Bulbapedia - Infiltrator</see>
+/// </summary>
+[Script(ScriptCategory.Ability, "infiltrator")]
+public class Infiltrator : Script
+{
+    /// <inheritdoc />
+    public override void CustomTrigger(StringKey eventName, IDictionary<StringKey, object?>? parameters)
+    {
+        if ((eventName != CustomTriggers.BypassProtection && eventName != CustomTriggers.BypassSubstitute) ||
+            parameters is null)
+            return;
+
+        parameters["bypass"] = true;
+    }
+}

Plugins/PkmnLib.Plugin.Gen7/Scripts/CustomTriggers.cs

@@ -23,4 +23,8 @@ public static class CustomTriggers
     public static readonly StringKey BypassChargeMove = "bypass_charge_move";
 
     public static readonly StringKey ModifySleepTurns = "modify_sleep_turns";
+
+    public static readonly StringKey BypassProtection = "bypass_protection";
+
+    public static readonly StringKey BypassSubstitute = "bypass_subsitute";
 }

Plugins/PkmnLib.Plugin.Gen7/Scripts/Moves/Autotomize.cs

@@ -1,3 +1,5 @@
+using PkmnLib.Plugin.Gen7.Scripts.Pokemon;
+
 namespace PkmnLib.Plugin.Gen7.Scripts.Moves;
 
 /// <summary>
@@ -21,13 +23,18 @@ public class Autotomize : Script
     public override void OnSecondaryEffect(IExecutingMove move, IPokemon target, byte hit)
     {
         var user = move.User;
-        if (user.ChangeStatBoost(Statistic.Speed, 2, true, false) && user.ChangeWeightInKgBy(-100.0f))
+
-        {
+        var existingEffect = user.Volatile.Get<AutotomizeEffect>();
+        var stacks = existingEffect?.Stacks ?? 0;
+
+        if (!user.ChangeStatBoost(Statistic.Speed, 2, true, false) || !(user.WeightInKg - 100f * stacks >= 0.1f))
+            return;
+
+        user.Volatile.StackOrAdd(ScriptUtils.ResolveName<AutotomizeEffect>(), () => new AutotomizeEffect());
         var battle = user.BattleData?.Battle;
         battle?.EventHook.Invoke(new DialogEvent("pokemon_became_nimble", new Dictionary<string, object>
         {
             { "pokemon", user },
         }));
     }
-    }
 }

Plugins/PkmnLib.Plugin.Gen7/Scripts/Moves/BatonPass.cs

@@ -1,3 +1,4 @@
+using PkmnLib.Plugin.Gen7.Scripts.Utils;
 using PkmnLib.Static.Utils;
 
 namespace PkmnLib.Plugin.Gen7.Scripts.Moves;
@@ -36,6 +37,8 @@ public class BatonPass : Script
 
         foreach (var script in volatileScripts)
         {
+            if (script is not IBatonPassException)
+                return;
             toSwitch.Volatile.Add(script);
         }
     }

Plugins/PkmnLib.Plugin.Gen7/Scripts/Pokemon/AutotomizeEffect.cs

@@ -0,0 +1,21 @@
+using PkmnLib.Plugin.Gen7.Scripts.Utils;
+
+namespace PkmnLib.Plugin.Gen7.Scripts.Pokemon;
+
+[Script(ScriptCategory.Pokemon, "autotomize")]
+public class AutotomizeEffect : Script, IBatonPassException
+{
+    public int Stacks { get; private set; } = 1;
+
+    /// <inheritdoc />
+    public override void Stack()
+    {
+        Stacks++;
+    }
+
+    /// <inheritdoc />
+    public override void ModifyWeight(ref float weight)
+    {
+        weight -= 100f * Stacks;
+    }
+}

Plugins/PkmnLib.Plugin.Gen7/Scripts/Pokemon/ProtectionEffectScript.cs

@@ -11,6 +11,18 @@ public class ProtectionEffectScript : Script
 
         if (!executingMove.UseMove.HasFlag("protect"))
             return;
+        var bypass = false;
+        var parameters = new Dictionary<StringKey, object?>
+        {
+            { "target", target },
+            { "move", executingMove },
+            { "hitIndex", hitIndex },
+            { "bypass", bypass },
+        };
+        executingMove.User.RunScriptHook(x => x.CustomTrigger(CustomTriggers.BypassProtection, parameters));
+        bypass = parameters.GetValueOrDefault("bypass", false) as bool? ?? false;
+        if (bypass)
+            return;
 
         block = true;
     }

Plugins/PkmnLib.Plugin.Gen7/Scripts/Pokemon/SubstituteEffect.cs

@@ -11,6 +11,19 @@ public class SubstituteEffect(uint health) : Script
         if (executingMove.UseMove.HasFlag("ignore-substitute"))
             return;
 
+        var bypass = false;
+        var parameters = new Dictionary<StringKey, object?>
+        {
+            { "target", target },
+            { "move", executingMove },
+            { "hitIndex", hitIndex },
+            { "bypass", bypass },
+        };
+        executingMove.User.RunScriptHook(x => x.CustomTrigger(CustomTriggers.BypassProtection, parameters));
+        bypass = parameters.GetValueOrDefault("bypass", false) as bool? ?? false;
+        if (bypass)
+            return;
+
         block = true;
         var damage = executingMove.GetHitData(target, hitIndex).Damage;
         if (damage >= _health)

Plugins/PkmnLib.Plugin.Gen7/Scripts/Utils/BatonPassException.cs

@@ -0,0 +1,5 @@
+namespace PkmnLib.Plugin.Gen7.Scripts.Utils;
+
+public interface IBatonPassException
+{
+}